This happens in all browsers, only for flash objects with multimedia content. Non-multimedia flash objects work just fine, until I try to access the Settings, at which point the whole object becomes unresponsive (but doesn't give me an error about crashing).

I was also having problems with my audio drivers today; I'm not sure if that's related. I fixed those problems by following these instructions, ending with this command:

I've tried basically everything I can think of as well as everything suggested in forums, blogs, etc. and now I'm at my wits' end. Anybody know what's going on or how I can fix it? Any help is greatly appreciated.

flash-video-replacer allowed my to watch a youtube video in firefox. However, it did not fix flash. It only works for videos that it knows how to handle. Not a fix, more like a bandaid, and not a good one at that. Thanks for the suggestions, though.
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John P BlochMar 3 '12 at 22:05

If you are using ubuntu-restricted-extras, which installs the flashplugin-installer package, then it is using 32bit libs and isn't true 64bit. Try removing itsudo apt-get autoremove --purge flashplugin-installer

Enable the partner repository in your sources.listgksu gedit /etc/apt/sources.list and look for